142244454340 has 24 divisors (see below), whose sum is σ = 298810878912. Its totient is φ = 56879205600.

The previous prime is 142244454311. The next prime is 142244454367. The reversal of 142244454340 is 43454442241.

It is a happy number.

142244454340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142244454340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098136 + ... + 1220815.

It is an arithmetic number, because the mean of its divisors is an integer number (12450453288).

Almost surely, 2^142244454340 is an apocalyptic number.

142244454340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142244454340 is an abundant number, since it is smaller than the sum of its proper divisors (156566424572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142244454340 is a wasteful number, since it uses less digits than its factorization.

142244454340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322027 (or 2322025 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 142244454340 its reverse (43454442241), we get a palindrome (185698896581).

The spelling of 142244454340 in words is "one hundred forty-two billion, two hundred forty-four million, four hundred fifty-four thousand, three hundred forty".